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Finding the Fourth Proportional to 166,094.60, 249,141.90 and 161,720.60

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Solution

The fourth proportional to 166,094.60, 249,141.90 and 161,720.60 is: 242,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,094.60 : 249,141.90 = 161,720.60 : x
  2. Step 2: Convert to fraction form
    166,094.60/249,141.90 = 161,720.60/x
  3. Step 3: Cross multiply
    166,094.60x = 249,141.90 × 161,720.60
  4. Step 4: Simplify right side
    166,094.60x = 40,291,377,553.14
  5. Step 5: Solve for x
    x = 40,291,377,553.14/166,094.60
  6. Step 6: Final answer
    x = 242,580.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.